Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu goi cham snippets" » "phu hoi cham snippets", "phu nguoi cham snippets", "phu gioi chau snippets", "phu doi cham snippets", "phu loi cham snippets", "phuc hoi cham snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phu goi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu goi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu goi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu goi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.